Description

Butanedioic Acid, Methylene-, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Methyl-2-Propenoic Acid is a high-performance, multi-component copolymer designed for advanced material applications. This engineered polymer combines the structural benefits of a methylene succinic acid backbone with the versatility of acrylate, styrene, and methacrylate monomers, offering a unique balance of properties. It is essential for formulators and manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability, adhesion, and chemical resistance.

Application

• Industrial and Protective Coatings: Used as a key resin or additive to improve film formation, weather resistance, and adhesion to various substrates in metal, wood, and concrete coatings.
• Pressure-Sensitive Adhesives (PSAs): Serves as a tackifier or modifier to fine-tune peel strength, tack, and shear resistance in label and tape formulations.
• Textile and Leather Finishes: Employed in binders and finishing agents to provide durable, flexible, and water-resistant coatings on fabrics and leather goods.
• Ink and Overprint Varnishes: Enhances gloss, rub resistance, and drying properties in printing inks and protective varnishes for packaging.
• Construction Materials: Acts as a modifier in cementitious products, sealants, and caulks to improve flexibility, reduce cracking, and enhance water repellency.
• Specialty Plastics and Composites: Utilized as a compatibilizer or impact modifier to improve the mechanical properties and processability of polymer blends and composites.

Basic Information

Product Name	Butanedioic Acid, Methylene-, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Methyl-2-Propenoic Acid
CAS No.	65899-77-6
Molecular Formula	(C5H6O4 • C7H12O2 • C8H8 • C4H6O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	2-Butenedioic acid (Z)-, polymer with butyl 2-propenoate, ethenylbenzene and 2-methyl-2-propenoic acid; Maleic acid, polymer with butyl acrylate, styrene and methacrylic acid; Butyl acrylate / styrene / methacrylic acid / maleic acid copolymer; Acrylic-styrene-maleic acid copolymer; ASMA copolymer; BSM copolymer; Poly(butyl acrylate-co-styrene-co-methacrylic acid-co-maleic acid); Terpolymer resin with maleic anhydride functionality.
EINECS	Contact for details

Quality Control

Our production of this specialty copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as monomer ratio, molecular weight distribution, acid value, and glass transition temperature (Tg) are rigorously monitored. Certificates of Analysis (COA) detailing specific lot specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Solid Content	≥ 98.0 %
Acid Value	Contact for details
Glass Transition Temp (Tg)	Contact for details
Viscosity (Solution)	Contact for details
Residual Monomers	< 0.5 % (by HPLC)
Moisture Content	< 1.0 % (by KF Titration)
Ash Content	< 0.5 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.